Superconductivity Research Laboratory

Susumu Seiki

Yuh Shiohara

Teruo Izumi

Jyunya Maeda

Methods for implementing production of an oxide superconductor joined member, excellent in electric current transmission performance, without a need of going through particularly complex steps, are provided. When joining together oxide superconductors by use of a solder composed of an oxide superconducting material, a finally solidified portion of the solder is positioned in a region where a transmission path of electric current flowing between oxide superconductor base materials as joined together is not obstructed by, for example, disposing the solder on a face of the oxide superconductor base materials, other than butting surfaces of the oxide superconductor base materials, so as to straddle both the base materials like bridge-building. Current flow is also not obstructed by, for example, shaping junction faces of the oxide superconductor base materials such that at least portions of the butting surfaces thereof are in the shape of sloped open faces, parting from each other. Further, an oxide superconductor joined member is made by joining the base materials with each other through the intermediary of an oxide superconductor, serving as a binder, disposed on at least a face of the base materials, other than butting surfaces thereof.

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Tokyo, Japan

Susumu Seiki